Real density(Real p) const
fluid density as a function of porepressure
RichardsDensityMethane20degC(const InputParameters ¶meters)
Real _p_unit
Unit of measurement for pressure (should be 1 for pressure in Pa, 1E6 for pressure in MPa,...
Real ddensity(Real p) const
derivative of fluid density wrt porepressure
Real d2density(Real p) const
second derivative of fluid density wrt porepressure
InputParameters validParams< RichardsDensityMethane20degC >()
Base class for fluid density as a function of porepressure The functions density, ddensity and d2dens...
Methane density - a quadratic fit to expressions in: "Results of (pressure, density,...